| ≥1 piece |
|
ITEM
|
QUALITY STANDARD
|
RESULT
|
|
APPERANCE
|
WHITE CRYSTALLINE POWDER
|
CONFORMS
|
|
SOLUBILITY
|
FREELY SOLUBLE IN WATER, VERY SLIGHTLY SOLUBLE IN ETHANOL
|
CONFORMS
|
|
SPECIFIC ROTATION
|
+137°- +145°
|
+139°
|
|
MELTING RANGE
|
165.0-169.0°c
|
166.2-167.0°c
|
|
INFRARED ABSORPTION
|
CONFORMS
|
CONFORMS
|
|
CONDUCTIVITY
|
≤20μs/cm
|
7.87μs/cm
|
|
REDUCING SUGARS
|
≤0.30%
|
0.043%
|
|
LEAD
|
≤0.5ppm
|
<0.5ppm
|
|
NICKEL
|
≤1ppm
|
<1ppm
|
|
LOSS ON DRYING
|
≤0.30%
|
0.25%
|
|
ACIDITY
|
≤0.30ml
|
0.12ml
|
|
CHLORIDE
|
≤70ppm
|
<70ppm
|
|
SULFATE
|
≤100ppm
|
<100ppm
|
|
ARSENIC
|
≤1ppm
|
<1ppm
|
|
ASSAY
|
98.0%-101.5%
|
100.7%
|
|
ENDOTOXIN
|
≤2.5EU/g
|
<0.06EU/g
|